4DBXBOOPSKLMUWUH56FVT5AQML5QTETOW6MPNRNZF23DABJ3M4AQC
AVTNUQYRBW7IX2YQ3KDLVQ23RGW3BAKTAE7P73ASBYNKOHMQMH5AC
if b[k] ~= v then
if not eq(b[k], v) then
if a[k] ~= v then
if not eq(a[k], v) then